Chicago Pneumatic’s Iron Series features all cast iron design pumps. The RCP-C duplex compressors are available up to 20 HP and can deliver up to 21 acfm on single phase and 70 on 3 phase power. Models include simplex compressors up to 10hp and duplex models from 10-20hp. The RCP-C compressors come with a full 2 Year Warranty (including valves).